Lyman ?

[Grenadier1758]

That's it Boomerang. Tapped front sight out and you can see the 45 degree angles this is not the same on rear sight.

The triangular file is used to make the dovetail. Actually, the dovetail angle is 60 degrees.

 

[Boomerang]

The triangular file is used to make the dovetail. Actually, the dovetail angle is 60 degrees.

Yes, it's 60 deg. not 45. It sounds like it might need to be taken a little deeper too.